For the rear:
I believe those rear wheels are ET70mm. Thats going to be a BIG spacer. I have a 74 standard with IRs and here's some measurements that I took:
From the drum face to the springplate the distance is 6 1/2 " so you're going to need a wheel with a max backspacing of 6 to 6 1/4" if you are not going to use a spacer.
The 9" 993 wheel has a backspacing of 7.75" (Measure the width of the whole wheel and you'll find its 10" wide). So you'll need a 1.5" spacer just to get it off the springplate....thats alota spaca...
That leaves the outside face of the wheel 3.75" out drom the brake drum face.....the measurement I have is 2 3/8" from the drum face to the outside of the stock fender so you're looking at a fender thats about 1.5" wider...
So to summerize....you can do it but need a spacer and 1.5" to 2" wider fenders. This applies to all 9" wheels. If you go with a smaller offset (ET55mm or ET47mm) your spacer will be less thick but you still need the wider fenders.
I am not sure of the offset of the front but I'm sure some more members of the community will add their own comments as well.
Sandeep
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